Who Was Alive

Were Barack Obama and Greta Thunberg alive at the same time?

Yes. Barack Obama and Greta Thunberg were alive at the same time for 23 years, from 2003 to today.

Barack Obama was 41 when Greta Thunberg was born.

Barack Obama

44th President of the United States

Born 4 August 1961 · living, 65 as of September 2026

Greta Thunberg

Swedish climate protection activist

Born 3 January 2003 · living, 23 as of September 2026

  1. Ronald Reagan
  2. Nelson Mandela
  3. Donald Trump
  4. Vladimir Putin
  5. Michael Jackson
  6. Barack Obama
  7. Greta Thunberg
Barack Obama and Greta Thunberg in bold, with some of their best-known contemporaries. Drag across to see the age each reached in any year. Faded ends mark uncertain dates.